Finding the Fourth Proportional to 31,033.83, 42,826.62 and 16,886.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,033.83 : 42,826.62 = 16,886.68 : x
2. Step 2: Convert to fraction form
   31,033.83/42,826.62 = 16,886.68/x
3. Step 3: Cross multiply
   31,033.83x = 42,826.62 × 16,886.68
4. Step 4: Simplify right side
   31,033.83x = 723,199,383.68
5. Step 5: Solve for x
   x = 723,199,383.68/31,033.83
6. Step 6: Final answer
   x = 23,303.58